Speaker system



FIG. 1 is a perspective view of a speaker system;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in FIGS. 1-7 are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for a speaker system, as described and shown. 